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J42220

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J22090 J42065
#J42220

Description

USA UNS J42220 Steel Castings, Ferritic and Martensitic, for Pressure-Containing and Other Applications, for Low-Temperature Service and J42220 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: J42220
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy J42220 UNS USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing and Other Applications, for Low-Temperature Service
E2N,E2Q
E3N
J02503
J22501
J31500
J41501
J12582
J22092
J22092
J22090

Chemical composition(mass fraction)(wt.%) of the J42220

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.22 0.6 0.50-0.80 0.025 0.025 1.35-1.85 2.50-3.50 0.35-0.60

Mechanical Properties of steel grade J42220

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
469 (≥) 994 (≥) 22 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade J42220

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
23 - -     0.41 -  
777 421 - 22.3 244   -  
735 - 11 13.2   143 144

Heat Treatment of steel grade J42220

Heat treated : 1949°C - 1928°C

Technological Curves of steel grade J42220

Cross Reference Table (Equivalent Grade) of J42220

Grade Standard Country Application
UNS J42220 AISI USA
J42220 UNS USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing and Other Applications, for Low-Temperature Service
J42220 UNS USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing and Other Applications, for Low-Temperature Service
J22090 J42065
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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